Techtonic Plates

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Across
  1. 5. The theory that earth's layers get older the deeper you dig
  2. 6. large area of land above water
  3. 8. Large body of water
  4. 10. The planet we live on
  5. 11. melted rock
  6. 15. when a layer cuts across an older layer
  7. 16. deepest trench
  8. 19. a crust that is relatively thick that forms large land masses
  9. 20. mountains made from a convergent plate boundary
  10. 21. When the ground shakes from tectonic movement
Down
  1. 1. when tectonic plates move away from each other
  2. 2. when plates converge and one layer goes under the other into the mantle
  3. 3. when tectonic plates slide against one another moving in different directions
  4. 4. When a younger layer cuts through an older layer
  5. 7. when tectonic plates move towards each other
  6. 9. long narrow ditch formed from conversion
  7. 12. layer in earth's core that is jelly like at the top and like a solid at the bottom
  8. 13. Most recent supercontinent
  9. 14. a fracture on long which the crusts has moved( a weak spot in earth's crust)
  10. 17. The first layer of Earth
  11. 18. Center of earth